body,ul,li,a{
    margin: 0;
    padding: 0;
    list-style: none;
    text-decoration: none;
}
/* header */
.header{
    width: 100%;
    height: 500px;
    margin: 0 auto 20px auto;
    background-image: url(../images/header_02.jpg);
    background-repeat: no-repeat;
    overflow: hidden;
}
.header .logo{
    width: 100%;
    height: 60px;
    overflow: hidden;
}
.header .logo ul li{
    float: right;
    margin: 20px 60px 0 0;
    color: white;
}
.header .banner ul li img{
    width: 145px;
    height: 143px;
    position: absolute;
    top: 60px;
    left: 616px;
}
.banner{
    width: 100%;
    height: 200px;
    background-image: url(../images/header_01.jpg);
    background-repeat: no-repeat;
    background-size: 201px 116px;
    background-position: 120px -15px;
}
.banner ul{
    margin: 20px 0px 0 525px;
}
.banner ul li a{
    float: left;
    color: white;
    width: 100px;
    margin: 40px 50px 0 0;
}
.main{
    width: 100%;
}
.main .main_inner{
    overflow: hidden;
    margin: 30px 0 0 110px;
}
.main .main_left{
    width: 400px;
    height: 150px;
    float: left;
    background: #e4e4e4;
    border-top-left-radius: 20px;
    border-bottom-left-radius: 20px;
}
.main .main_right{
    width: 900px;
    height: 150px;
    float: left;
    background: #292b35;
    border-top-right-radius: 20px;
    border-bottom-right-radius: 20px;
}
.main .main_left p:nth-child(1){
    text-align: center;
    font-size: 60px;
    line-height: 0px;
}
.main .main_left p:nth-child(2){
    text-align: center;
    line-height: 0px;
}
.main .main_right p{
    padding: 20px 0 5px 40px;
    color: white;
}
.main .main_inner:last-child{
    margin-bottom: 50px;
}
@media screen and (min-width:500px) and (max-width:800px){
    .main{
        width: 500px;
    }
    .main .main_inner{
        width: 480px;
    }
    .main .main_left{
        width: 200px;
        height: 150px;
        float: left;
        background: #e4e4e4;
        border-top-left-radius: 20px;
        border-bottom-left-radius: 20px;
    }
    .main .main_right{
        width: 280px;
        height: 150px;
        float: left;
        background: #292b35;
        border-top-right-radius: 20px;
        border-bottom-right-radius: 20px;
    }
    .main .main_left p:nth-child(1){
        text-align: center;
        font-size: 40px;
        line-height: 0px;
    }
    .main .main_left p:nth-child(2){
        text-align: center;
        line-height: 0px;
    }
    .main .main_right p{
        padding: 12px 0 0px 17px;
        color: white;
    }
    .main .main_inner:last-child{
        margin-bottom: 50px;
    }
}
@media screen and (min-width:801px) and (max-width:1250px){
    .main{
        width: 801px;
    }
    .main .main_inner{
        width: 780px;
    }
    .main .main_left{
        width: 300px;
        height: 150px;
        float: left;
        background: #e4e4e4;
        border-top-left-radius: 20px;
        border-bottom-left-radius: 20px;
    }
    .main .main_right{
        width: 400px;
        height: 150px;
        float: left;
        background: #292b35;
        border-top-right-radius: 20px;
        border-bottom-right-radius: 20px;
    }
    .main .main_left p:nth-child(1){
        text-align: center;
        font-size: 60px;
        line-height: 0px;
    }
    .main .main_left p:nth-child(2){
        text-align: center;
        line-height: 0px;
    }
    .main .main_right p{
        padding: 20px 0 5px 40px;
        color: white;
    }
    .main .main_inner:last-child{
        margin-bottom: 50px;
    }
}
@media screen and (min-width:1260px){
    .main{
        width: 1260px;
    }
    .main .main_inner{
        width: 1200px;
    }
    .main .main_left{
        width: 550px;
        height: 150px;
        float: left;
        background: #e4e4e4;
        border-top-left-radius: 20px;
        border-bottom-left-radius: 20px;
    }
    .main .main_right{
        width: 650px;
        height: 150px;
        float: left;
        background: #292b35;
        border-top-right-radius: 20px;
        border-bottom-right-radius: 20px;
    }
    .main .main_left p:nth-child(1){
        text-align: center;
        font-size: 60px;
        line-height: 0px;
    }
    .main .main_left p:nth-child(2){
        text-align: center;
        line-height: 0px;
    }
    .main .main_right p{
        padding: 20px 0 5px 40px;
        color: white;
    }
    .main .main_inner:last-child{
        margin-bottom: 50px;
    }
}